1858242 - cannot calculate the value of numberOfNodes: SAP startup issue

The AS Java startup fails due to the bootstrap process failing and the below error is logged in the trace files dev_bootstrap and std_bootstrap:

com.sap.engine.offline.OfflineToolStart.main [ Caused by: ]== com.sap.engine.lib.config.api.exceptions.ClusterConfigurationException: Cannot calculate the value of numberOfNodes entry. at com.sap.engine. lib.config.impl.ConfigurationLevelImpl.getCalculated NumberOfNodes(ConfigurationLevelImpl.java), at com.sap.engine.bootstrap .SynchronizationInfoImpl. getInstanceData(SynchronizationInfoImpl.java)

Or in the log_bootstrap:

Exception occurred for component [internal/unkown] of type [unkown]
com.sap.engine.bootstrap.SynchronizationException: Cannot get process environment parameters
at com.sap.engine.bootstrap.SynchronizationInfoImpl.getInstanceData()
at com.sap.engine.bootstrap.SynchronizationInfoImpl.collectSynchronizationData()
at com.sap.engine.bootstrap.Bootstrap.main()
at sun.reflect.NativeMethodAccessorImpl.invoke0()
at sun.reflect.NativeMethodAccessorImpl.invoke()
at sun.reflect.DelegatingMethodAccessorImpl.invoke()
at java.lang.reflect.Method.invoke()
at com.sap.engine.offline.OfflineToolStart.main()
==[ Caused by: ]==
com.sap.engine.lib.config.api.exceptions.ClusterConfigurationException: Cannot calculate the value of numberOfNodes entry.
at com.sap.engine.lib.config.impl.ConfigurationLevelImpl.getCalculatedNumberOfNodes()
at com.sap.engine.bootstrap.SynchronizationInfoImpl.getInstanceData()
at com.sap.engine.bootstrap.SynchronizationInfoImpl.collectSynchronizationData()
at com.sap.engine.bootstrap.Bootstrap.main()
at sun.reflect.NativeMethodAccessorImpl.invoke0()
at sun.reflect.NativeMethodAccessorImpl.invoke()
at sun.reflect.DelegatingMethodAccessorImpl.invoke()
at java.lang.reflect.Method.invoke()
at com.sap.engine.offline.OfflineToolStart.main()
Caused by: java.lang.NumberFormatException: For input string: ""
at java.lang.NumberFormatException.forInputString()
at java.lang.Integer.parseInt()
at java.lang.Integer.parseInt()
at com.sap.engine.lib.config.impl.ConfigurationAccessor.getCalculatedNumberOfNodes()
at com.sap.engine.lib.config.impl.ConfigurationLevelImpl.getCalculatedNumberOfNodes()

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SAP NetWeaver Application Server Java

SAP NetWeaver 7.3 ; SAP NetWeaver 7.4 ; SAP NetWeaver 7.5 ; SAP NetWeaver Composition Environment 7.1 ; SAP NetWeaver Composition Environment 7.2 ; SAP enhancement package 1 for SAP NetWeaver 7.3 ; SAP enhancement package 1 for SAP NetWeaver Composition Environment 7.1

,SAP Production ABAP R/3 ERP SRM CRM ERP PPM SEM APO XI PI PORTAL Test development QA property numberOfNodes configtool Propertysheet  UMEBackendConnection Connection and Transport , KBA , BC-JAS-COR , Enterprise Runtime, Core J2EE Framework , Problem